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From version < 55.2 >
edited by Xiaoling
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Summary

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Content
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1 1  (% style="text-align:center" %)
2 -[[image:image-20220523111447-1.jpeg||height="448" width="448"]]
2 +[[image:image-20220523115324-1.jpeg||height="500" width="500"]]
3 3  
4 -{{box cssClass="floatinginfobox" title="**Contents**"}}
5 -{{toc/}}
6 -{{/box}}
7 7  
5 +**LHT65N LoRaWAN Temperature & Humidity Sensor Manual**
6 +
7 +
8 +
9 +**Table of Contents：**
10 +
8 8  {{toc/}}
9 9  
13 +
14 +
10 10  = 1.Introduction =
11 11  
12 12  == 1.1 What is LHT65N Temperature & Humidity Sensor ==
13 13  
19 +(((
20 +The Dragino LHT65N Temperature & Humidity sensor is a Long Range LoRaWAN Sensor. It includes a (% style="color:#4f81bd" %)**built-in Temperature & Humidity sensor**(%%) and has an external sensor connector to connect to an external (% style="color:#4f81bd" %)**Temperature Sensor**(%%)**.**
21 +)))
14 14  
15 -The Dragino LHT65N Temperature & Humidity sensor is a Long Range LoRaWAN Sensor. It includes a(% class="mark" %) **built-in Temperature & Humidity sensor**(%%) and has an external sensor connector to connect to an external (% class="mark" %)**Temperature Sensor**(%%)**.**
16 -
23 +(((
17 17  The LHT65N allows users to send data and reach extremely long ranges. It provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current consumption. It targets professional wireless sensor network applications such as irrigation systems, smart metering, smart cities, building automation, and so on.
25 +)))
18 18  
27 +(((
19 19  LHT65N has a built-in 2400mAh non-chargeable battery which can be used for up to 10 years*.
29 +)))
20 20  
31 +(((
21 21  LHT65N is full compatible with LoRaWAN v1.0.3 Class A protocol, it can work with a standard LoRaWAN gateway.
33 +)))
22 22  
23 -LHT65N supports (% class="mark" %)Datalog Feature(%%). It will record the data when there is no network coverage and users can retrieve the sensor value later to ensure no miss for every sensor reading.
35 +(((
36 +LHT65N supports (% style="color:#4f81bd" %)**Datalog Feature**(%%). It will record the data when there is no network coverage and users can retrieve the sensor value later to ensure no miss for every sensor reading.
37 +)))
24 24  
39 +(((
25 25  *The actual battery life depends on how often to send data, please see the battery analyzer chapter.
41 +)))
26 26  
27 27  == 1.2 Features ==
28 28  
... ... @@ -40,36 +40,69 @@
40 40  
41 41  == 1.3 Specification ==
42 42  
59 +(((
43 43  **Built-in Temperature Sensor:**
61 +)))
44 44  
45 -* Resolution: 0.01 °C
46 -* Accuracy Tolerance : Typ ±0.3 °C
47 -* Long Term Drift: < 0.02 °C/yr
48 -* Operating Range: -40 ~~ 85 °C
63 +* (((
64 +Resolution: 0.01 °C
65 +)))
66 +* (((
67 +Accuracy Tolerance : Typ ±0.3 °C
68 +)))
69 +* (((
70 +Long Term Drift: < 0.02 °C/yr
71 +)))
72 +* (((
73 +Operating Range: -40 ~~ 85 °C
74 +)))
49 49  
76 +(((
50 50  **Built-in Humidity Sensor:**
78 +)))
51 51  
52 -* Resolution: 0.04 %RH
53 -* Accuracy Tolerance : Typ ±3 %RH
54 -* Long Term Drift: < 0.02 °C/yr
55 -* Operating Range: 0 ~~ 96 %RH
80 +* (((
81 +Resolution: 0.04 %RH
82 +)))
83 +* (((
84 +Accuracy Tolerance : Typ ±3 %RH
85 +)))
86 +* (((
87 +Long Term Drift: < 0.02 °C/yr
88 +)))
89 +* (((
90 +Operating Range: 0 ~~ 96 %RH
91 +)))
56 56  
93 +(((
57 57  **External Temperature Sensor:**
95 +)))
58 58  
59 -* Resolution: 0.0625 °C
60 -* ±0.5°C accuracy from -10°C to +85°C
61 -* ±2°C accuracy from -55°C to +125°C
62 -* Operating Range: -55 °C ~~ 125 °C
97 +* (((
98 +Resolution: 0.0625 °C
99 +)))
100 +* (((
101 +±0.5°C accuracy from -10°C to +85°C
102 +)))
103 +* (((
104 +±2°C accuracy from -55°C to +125°C
105 +)))
106 +* (((
107 +Operating Range: -55 °C ~~ 125 °C
108 +)))
63 63  
64 64  = 2. Connect LHT65N to IoT Server =
65 65  
66 66  == 2.1 How does LHT65N work? ==
67 67  
114 +(((
68 68  LHT65N is configured as LoRaWAN OTAA Class A mode by default. Each LHT65N is shipped with a worldwide unique set of OTAA keys. To use LHT65N in a LoRaWAN network, first, we need to put the OTAA keys in LoRaWAN Network Server and then activate LHT65N.
116 +)))
69 69  
118 +(((
70 70  If LHT65N is under the coverage of this LoRaWAN network. LHT65N can join the LoRaWAN network automatically. After successfully joining, LHT65N will start to measure environment temperature and humidity, and start to transmit sensor data to the LoRaWAN server. The default period for each uplink is 20 minutes.
120 +)))
71 71  
72 -
73 73  == 2.2 How to Activate LHT65N? ==
74 74  
75 75  The LHT65N has two working modes:
... ... @@ -77,15 +77,17 @@
77 77  * **Deep Sleep Mode**: LHT65N doesn’t have any LoRaWAN activation. This mode is used for storage and shipping to save battery life.
78 78  * **Working Mode**: In this mode, LHT65N works as LoRaWAN Sensor mode to Join LoRaWAN network and send out the sensor data to the server. Between each sampling/tx/rx periodically, LHT65 will be in STOP mode (IDLE mode), in STOP mode, LHT65N has the same power consumption as Deep Sleep mode. 
79 79  
129 +(((
80 80  The LHT65N is set in deep sleep mode by default; The ACT button on the front is to switch to different modes:
131 +)))
81 81  
82 82  [[image:image-20220515123819-1.png||height="379" width="317"]]
83 83  
84 -(% border="1" %)
85 -|**Behavior on ACT**|**Function**|**Action**
86 -|**Pressing ACT between 1s < time < 3s**|Test uplink status|If LHT65N is already Joined to the LoRaWAN network, LHT65N will send an uplink packet, if LHT65N has an external sensor connected, blue led will blink once. If LHT65N has no external sensor, red led will blink once.
87 -|**Pressing ACT for more than 3s**|Active Device|green led will fast blink 5 times, LHT65N will enter working mode and start to JOIN LoRaWAN network. green led will solid turn on for 5 seconds after join in network.
88 -|**Fast press ACT 5 times**|Deactivate Device|red led will solid on for 5 seconds. This means LHT65N is in Deep Sleep Mode.
135 +(% border="1" style="background-color:#ffffcc; color:green; width:739px" %)
136 +|**Behavior on ACT**|**Function**|(% style="width:424px" %)**Action**
137 +|**Pressing ACT between 1s < time < 3s**|Test uplink status|(% style="width:424px" %)If LHT65N is already Joined to the LoRaWAN network, LHT65N will send an uplink packet, if LHT65N has an external sensor connected, blue led will blink once. If LHT65N has no external sensor, red led will blink once.
138 +|**Pressing ACT for more than 3s**|Active Device|(% style="width:424px" %)green led will fast blink 5 times, LHT65N will enter working mode and start to JOIN LoRaWAN network. green led will solid turn on for 5 seconds after join in network.
139 +|**Fast press ACT 5 times**|Deactivate Device|(% style="width:424px" %)red led will solid on for 5 seconds. This means LHT65N is in Deep Sleep Mode.
89 89  
90 90  == 2.3 Example to join LoRaWAN network ==
91 91  
... ... @@ -98,7 +98,7 @@
98 98  Assume the LPS8N is already set to connect to [[TTN V3 network>>url:https://eu1.cloud.thethings.network]], So it provides network coverage for LHT65N. Next we need to add the LHT65N device in TTN V3:
99 99  
100 100  
101 -=== **2.3.1 Step 1**: Create Device n TTN ===
152 +=== 2.3.1 Step 1: Create Device n TTN ===
102 102  
103 103  Create a device in TTN V3 with the OTAA keys from LHT65N.
104 104  
... ... @@ -112,10 +112,8 @@
112 112  
113 113  [[image:image-20220522232916-3.png]]
114 114  
115 -
116 116  [[image:image-20220522232932-4.png]]
117 117  
118 -
119 119  [[image:image-20220522232954-5.png]]
120 120  
121 121  Note: LHT65N use same payload as LHT65.
... ... @@ -132,33 +132,61 @@
132 132  
133 133  Use ACT button to activate LHT65N and it will auto-join to the TTN V3 network. After join success, it will start to upload sensor data to TTN V3 and user can see in the panel.
134 134  
135 -[[image:image-20220522233300-8.png]]
184 +[[image:image-20220522233300-8.png||height="219" width="722"]]
136 136  
137 137  
138 -== Uplink Payload: ==
187 +== 2.4 Uplink Payload ==
139 139  
140 -The uplink payload includes totally 11 bytes. Uplink packets use FPORT=2 and(% class="mark" %) every 20 minutes(%%) send one uplink by default.
189 +The uplink payload includes totally 11 bytes. Uplink packets use FPORT=2 and (% style="color:#4f81bd" %)**every 20 minutes**(%%) send one uplink by default.
141 141  
142 -After each uplink, the (% class="mark" %)BLUE LED(%%) will blink once.
191 +After each uplink, the (% style="color:blue" %)**BLUE LED**(%%) will blink once.
143 143  
144 144  
145 -(% style="width:572px" %)
146 -|(% style="width:106px" %)**Size(bytes)**|(% style="width:71px" %)**2**|(% style="width:128px" %)**2**|(% style="width:103px" %)**2**|(% style="width:72px" %)**1**|(% style="width:89px" %)**4**
147 -|(% style="width:106px" %)**Value**|(% style="width:71px" %)[[BAT>>path:#Battery]]|(% style="width:128px" %)(((
148 -[[Built-In>>path:#SHT20_Temperature]]
194 +(% border="1" style="background-color:#ffffcc; color:green; width:428px" %)
195 +|(% style="width:106px" %)(((
196 +**Size(bytes)**
197 +)))|(% style="width:46px" %)(((
198 +**2**
199 +)))|(% style="width:104px" %)(((
200 +**2**
201 +)))|(% style="width:80px" %)(((
202 +**2**
203 +)))|(% style="width:51px" %)(((
204 +**1**
205 +)))|(% style="width:35px" %)(((
206 +**4**
207 +)))
208 +|(% style="width:106px" %)(((
209 +**Value**
210 +)))|(% style="width:46px" %)(((
211 +[[BAT>>path:http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H2.4.2BAT-BatteryInfo]]
212 +)))|(% style="width:104px" %)(((
213 +(((
214 +[[Built-In>>http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H2.4.3Built-inTemperature]]
215 +)))
149 149  
150 -[[Temperature>>path:#SHT20_Temperature]]
151 -)))|(% style="width:103px" %)(((
152 -[[Built-in>>path:#SHT20_Humidity]]
217 +(((
218 +[[Temperature>>http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H2.4.3Built-inTemperature]]
219 +)))
220 +)))|(% style="width:80px" %)(((
221 +(((
222 +[[Built-in>>path:http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H2.4.4Built-inHumidity]]
223 +)))
153 153  
154 -[[Humidity>>path:#SHT20_Humidity]]
155 -)))|(% style="width:72px" %)[[Ext>>path:#Extension_Sensor]] #|(% style="width:89px" %)[[Ext value>>path:#Extension_sensor_value]]
225 +(((
226 +[[Humidity>>path:http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H2.4.4Built-inHumidity]]
227 +)))
228 +)))|(% style="width:51px" %)(((
229 +[[Ext>>path:#Extension_Sensor]] #
230 +)))|(% style="width:35px" %)(((
231 +[[Ext value>>path:http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H2.4.6Extvalue]]
232 +)))
156 156  
157 157  * The First 6 bytes: has fix meanings for every LHT65N.
158 158  * The 7th byte (EXT #): defines the external sensor model.
159 159  * The 8^^th^^ ~~ 11^^th^^ byte: the value for external sensor value. The definition is based on external sensor type. (If EXT=0, there won’t be these four bytes.)
160 160  
161 -=== Decoder in TTN V3 ===
238 +=== 2.4.1 Decoder in TTN V3 ===
162 162  
163 163  When the uplink payload arrives TTNv3, it shows HEX format and not friendly to read. We can add LHT65N decoder in TTNv3 for friendly reading.
164 164  
... ... @@ -166,28 +166,47 @@
166 166  
167 167  [[https:~~/~~/www.dropbox.com/sh/r2i3zlhsyrpavla/AAB1sZw3mdT0K7XjpHCITt13a?dl=0 >>https://www.dropbox.com/sh/r2i3zlhsyrpavla/AAB1sZw3mdT0K7XjpHCITt13a?dl=0]]
168 168  
169 -[[image:image-20220522234118-10.png]]
246 +[[image:image-20220522234118-10.png||height="353" width="729"]]
170 170  
248 +=== 2.4.2 BAT-Battery Info ===
171 171  
172 -=== BAT-Battery Info ===
173 -
174 174  These two bytes of BAT include the battery state and the actually voltage
175 175  
176 -(% style="width:646px" %)
177 -|Bit(bit)|(% style="width:272px" %)[15:14]|(% style="width:214px" %)[13:0]
178 -|Value|(% style="width:272px" %)(((
252 +(% border="1" style="background-color:#ffffcc; color:green; width:502px" %)
253 +|(% style="width:75px" %)(((
254 +Bit(bit)
255 +)))|(% style="width:259px" %)(((
256 +[15:14]
257 +)))|(% style="width:164px" %)(((
258 +[13:0]
259 +)))
260 +|(% style="width:75px" %)(((
261 +Value
262 +)))|(% style="width:259px" %)(((
263 +(((
179 179  BAT Status
265 +)))
180 180  
267 +(((
181 181  00(b): Ultra Low ( BAT <= 2.50v)
269 +)))
182 182  
271 +(((
183 183  01(b): Low  (2.50v <=BAT <= 2.55v)
273 +)))
184 184  
275 +(((
185 185  10(b): OK   (2.55v <= BAT <=2.65v)
277 +)))
186 186  
279 +(((
187 187  11(b): Good   (BAT >= 2.65v)
188 -)))|(% style="width:214px" %)Actually BAT voltage
281 +)))
282 +)))|(% style="width:164px" %)(((
283 +Actually BAT voltage
284 +)))
189 189  
190 -[[image:image-20220522235639-1.png]]
286 +[[image:image-20220522235639-1.png||height="139" width="727"]]
191 191  
192 192  Check the battery voltage for LHT65N.
193 193  
... ... @@ -194,9 +194,9 @@
194 194  * BAT status=(0Xcba4>>14)&0xFF=11(B)，very good
195 195  * Battery Voltage =0xCBF6&0x3FFF=0x0BA4=2980mV
196 196  
197 -=== Built-in Temperature ===
293 +=== 2.4.3 Built-in Temperature ===
198 198  
199 -[[image:image-20220522235639-2.png]]
295 +[[image:image-20220522235639-2.png||height="138" width="722"]]
200 200  
201 201  * Temperature:  0x0ABB/100=27.47℃
202 202  
... ... @@ -204,72 +204,69 @@
204 204  
205 205  * Temperature:  (0xF5C6-65536)/100=-26.18℃
206 206  
207 -=== Built-in Humidity ===
303 +=== 2.4.4 Built-in Humidity ===
208 208  
209 -[[image:image-20220522235639-4.png]]
305 +[[image:image-20220522235639-4.png||height="138" width="722"]]
210 210  
211 211  * Humidity:    0x025C/10=60.4%
212 212  
213 -=== Ext # ===
309 +=== 2.4.5 Ext # ===
214 214  
215 215  Bytes for External Sensor:
216 216  
217 -(% style="width:624px" %)
218 -|(% style="width:139px" %)**EXT # Value**|(% style="width:484px" %)**External Sensor Type**
219 -|(% style="width:139px" %)0x01|(% style="width:484px" %)Sensor E3, Temperature Sensor
220 -|(% style="width:139px" %)0x09|(% style="width:484px" %)Sensor E3, Temperature Sensor, Datalog Mod
313 +(% border="1" style="background-color:#ffffcc; color:green; width:473px" %)
314 +|(% style="width:139px" %)**EXT # Value**|(% style="width:331px" %)**External Sensor Type**
315 +|(% style="width:139px" %)0x01|(% style="width:331px" %)Sensor E3, Temperature Sensor
316 +|(% style="width:139px" %)0x09|(% style="width:331px" %)Sensor E3, Temperature Sensor, Datalog Mod
221 221  
222 -=== Ext value ===
318 +=== 2.4.6 Ext value ===
223 223  
224 -==== Ext~=1, E3 Temperature Sensor ====
320 +==== 2.4.6.1 Ext~=1, E3 Temperature Sensor ====
225 225  
226 226  [[image:image-20220522235639-5.png]]
227 227  
228 -
229 229  * DS18B20 temp=0x0ADD/100=27.81℃
230 230  
231 231  The last 2 bytes of data are meaningless
232 232  
233 -
234 -
235 235  [[image:image-20220522235639-6.png]]
236 236  
237 237  * External temperature= (0xF54F-65536)/100=-27.37℃
238 238  
332 +(((
239 239  The last 2 bytes of data are meaningless
334 +)))
240 240  
241 -
336 +(((
242 242  If the external sensor is 0x01, and there is no external temperature connected. The temperature will be set to 7FFF which is 327.67℃
338 +)))
243 243  
244 244  
245 -==== Ext~=9, E3 sensor with Unix Timestamp ====
341 +==== 2.4.6.2 Ext~=9, E3 sensor with Unix Timestamp ====
246 246  
247 247  Timestamp mode is designed for LHT65N with E3 probe, it will send the uplink payload with Unix timestamp. With the limitation of 11 bytes (max distance of AU915/US915/AS923 band), the time stamp mode will be lack of BAT voltage field, instead, it shows the battery status. The payload is as below:
248 248  
345 +(% border="1" style="background-color:#ffffcc; color:green; width:541px" %)
346 +|(% style="width:96px" %)**Size(bytes)**|(% style="width:71px" %)**2**|(% style="width:69px" %)**2**|(% style="width:88px" %)**2**|(% style="width:69px" %)**1**|(% style="width:85px" %)**4**
347 +|(% style="width:96px" %)**Value**|(% style="width:71px" %)[[External temperature>>http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H4.2SetExternalSensorMode]]|(% style="width:69px" %)(((
348 +[[Built-In>>http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H2.4.3Built-inTemperature]]
249 249  
250 -(% style="width:697px" %)
251 -|(% style="width:96px" %)**Size(bytes)**|(% style="width:164px" %)**2**|(% style="width:104px" %)**2**|(% style="width:106px" %)**2**|(% style="width:108px" %)**1**|(% style="width:116px" %)**4**
252 -|(% style="width:96px" %)**Value**|(% style="width:164px" %)[[External temperature>>path:#DS18b20_value]]|(% style="width:104px" %)(((
253 -[[Built-In>>path:#SHT20_Temperature]]
350 +[[Temperature>>http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H2.4.3Built-inTemperature]]
351 +)))|(% style="width:88px" %)(((
352 +BAT Status &
254 254  
255 -[[Temperature>>path:#SHT20_Temperature]]
256 -)))|(% style="width:106px" %)(((
257 -[[BAT Status &>>path:#BAT_Humidity]]
354 +[[Built-in>>http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H2.4.4Built-inHumidity]]
258 258  
259 -[[Built-in>>path:#BAT_Humidity]]
260 -
261 -[[Humidity>>path:#BAT_Humidity]]
262 -)))|(% style="width:108px" %)[[Status & Ext>>path:#Status_EXT]]|(% style="width:116px" %)(((
263 -[[Unix>>path:#Unix_Time_Stamp]]
264 -
265 -[[Time Stamp>>path:#Unix_Time_Stamp]]
356 +[[Humidity>>http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H2.4.4Built-inHumidity]]
357 +)))|(% style="width:69px" %)Status & Ext|(% style="width:85px" %)(((
358 +[[Unix Time Stamp>>path:http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H4.1SetTransmitIntervalTime]]
266 266  )))
267 267  
268 -* **Battery status & **[[(% class="wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink" %)**Built-in Humidity**>>path:#SHT20_Humidity]]
361 +* **Battery status & (% class="wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink" %)Built-in Humidity(%%)**
269 269  
270 -(% style="width:587px" %)
271 -|Bit(bit)|(% style="width:280px" %)[15:14]|(% style="width:136px" %)[11:0]
272 -|Value|(% style="width:280px" %)(((
363 +(% border="1" style="background-color:#ffffcc; color:green; width:469px" %)
364 +|(% style="width:65px" %)Bit(bit)|(% style="width:267px" %)[15:14]|(% style="width:134px" %)[11:0]
365 +|(% style="width:65px" %)Value|(% style="width:267px" %)(((
273 273  BAT Status
274 274  
275 275  00(b): Ultra Low ( BAT <= 2.50v)
... ... @@ -279,8 +279,8 @@
279 279  10(b): OK   (2.55v <= BAT <=2.65v)
280 280  
281 281  11(b): Good   (BAT >= 2.65v)
282 -)))|(% style="width:136px" %)(((
283 -[[Built-in Humidity>>path:#SHT20_Humidity]]
375 +)))|(% style="width:134px" %)(((
376 +[[Built-in Humidity>>path:http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H2.4.4Built-inHumidity]]
284 284  
285 285  
286 286  )))
... ... @@ -287,12 +287,10 @@
287 287  
288 288  * **Status & Ext Byte**
289 289  
290 -(% style="width:732px" %)
291 -|(% style="width:128px" %)**Bits**|(% style="width:102px" %)**7**|(% style="width:145px" %)**6**|(% style="width:117px" %)**5**|(% style="width:147px" %)**4**|(% style="width:90px" %)**[3:0]**
292 -|(% style="width:128px" %)**Status & Ext**|(% style="width:102px" %)Not Defined|(% style="width:145px" %)Poll Message Flag|(% style="width:117px" %)Sync time OK|(% style="width:147px" %)Unix Time Request|(% style="width:90px" %)(((
293 -Ext:
294 -
295 -0b(1001)
383 +(% border="1" style="background-color:#ffffcc; color:green; width:587px" %)
384 +|(% style="width:109px" %)**Bits**|(% style="width:105px" %)**7**|(% style="width:105px" %)**6**|(% style="width:82px" %)**5**|(% style="width:84px" %)**4**|(% style="width:97px" %)**[3:0]**
385 +|(% style="width:109px" %)**Status & Ext**|(% style="width:105px" %)Not Defined|(% style="width:105px" %)Poll Message Flag|(% style="width:82px" %)Sync time OK|(% style="width:84px" %)Unix Time Request|(% style="width:97px" %)(((
386 +Ext:0b(1001)
296 296  )))
297 297  
298 298  * Poll Message Flag: 1: This message is a poll message reply, 0: means this is a normal uplink.
... ... @@ -299,17 +299,21 @@
299 299  * Sync time OK: 1: Set time ok，0: N/A. After time SYNC request is sent, LHT65N will set this bit to 0 until got the time stamp from the application server.
300 300  * Unix Time Request:1: Request server downlink Unix time, 0 : N/A. In this mode, LHT65N will set this bit to 1 every 10 days to request a time SYNC. (AT+SYNCMOD to set this)
301 301  
302 -== Show data on Datacake ==
393 +== 2.5 Show data on Datacake ==
303 303  
304 304  Datacake IoT platform provides a human-friendly interface to show the sensor data, once we have sensor data in TTN V3, we can use Datacake to connect to TTN V3 and see the data in Datacake. Below are the steps:
305 305  
306 -
397 +(((
307 307  **Step 1**: Be sure that your device is programmed and properly connected to the LoRaWAN network.
399 +)))
308 308  
401 +(((
309 309  **Step 2**: Configure your Application to forward data to Datacake you will need to add integration. Go to TTN V3 Console ~-~-> Applications ~-~-> Integrations ~-~-> Add Integrations.
403 +)))
310 310  
311 -
405 +(((
312 312  Add Datacake:
407 +)))
313 313  
314 314  [[image:image-20220523000825-7.png||height="262" width="583"]]
315 315  
... ... @@ -318,21 +318,17 @@
318 318  
319 319  [[image:image-20220523000825-8.png||height="453" width="406"]]
320 320  
321 -
322 322  In Datacake console ([[https:~~/~~/datacake.co/>>url:https://datacake.co/]]) , add LHT65 device.
323 323  
324 324  [[image:image-20220523000825-9.png||height="366" width="392"]]
325 325  
420 +[[image:image-20220523000825-10.png||height="413" width="728"]]
326 326  
422 +== 2.6 Datalog Feature ==
327 327  
328 -[[image:image-20220523000825-10.png||height="432" width="762"]]
329 -
330 -
331 -== Datalog Feature ==
332 -
333 333  This feature is always enabled. When user wants to retrieve the sensor value, he can send a poll command from the IoT platform to ask LHT65N to send the value in the required time slot.
334 334  
335 -=== Unix TimeStamp ===
426 +=== 2.6.1 Unix TimeStamp ===
336 336  
337 337  LHT65N uses Unix TimeStamp format based on
338 338  
... ... @@ -339,100 +339,142 @@
339 339  [[image:image-20220523001219-11.png||height="97" width="627"]]
340 340  
341 341  
433 +(((
342 342  User can get this time from link:  [[https:~~/~~/www.epochconverter.com/>>url:https://www.epochconverter.com/]] :
435 +)))
343 343  
437 +(((
344 344  Below is the converter example
439 +)))
345 345  
346 -[[image:image-20220523001219-12.png||height="353" width="853"]]
441 +[[image:image-20220523001219-12.png||height="298" width="720"]]
347 347  
348 348  So, we can use AT+TIMESTAMP=1611889405 or downlink 3060137afd00 to set the current time 2021 – Jan ~-~- 29 Friday 03:03:25
349 349  
445 +=== 2.6.2 Set Device Time ===
350 350  
351 -=== Set Device Time ===
352 -
447 +(((
353 353  There are two ways to set device’s time:
449 +)))
354 354  
451 +(((
355 355  **~1. Through LoRaWAN MAC Command (Default settings)**
453 +)))
356 356  
455 +(((
357 357  User need to set SYNCMOD=1 to enable sync time via MAC command.
457 +)))
358 358  
459 +(((
359 359  Once LHT65N Joined LoRaWAN network, it will send the MAC command (DeviceTimeReq) and the server will reply with (DeviceTimeAns) to send the current time to LHT65N. If LHT65N fails to get the time from the server, LHT65N will use the internal time and wait for next time request (AT+SYNCTDC to set the time request period, default is 10 days).
461 +)))
360 360  
463 +(((
361 361  Note: LoRaWAN Server need to support LoRaWAN v1.0.3(MAC v1.0.3) or higher to support this MAC command feature, Chirpstack,TTN V3 v3 and loriot support but TTN V3 v2 doesn’t support. If server doesn’t support this command, it will through away uplink packet with this command, so user will lose the packet with time request for TTN V3 v2 if SYNCMOD=1.
465 +)))
362 362  
467 +(((
468 +
469 +)))
363 363  
471 +(((
364 364  **2. Manually Set Time**
473 +)))
365 365  
475 +(((
366 366  User needs to set SYNCMOD=0 to manual time, otherwise, the user set time will be overwritten by the time set by the server.
477 +)))
367 367  
479 +=== 2.6.3 Poll sensor value ===
368 368  
369 -=== Poll sensor value ===
370 -
371 371  User can poll sensor value based on timestamps from the server. Below is the downlink command.
372 372  
373 373  
374 -(% style="width:454px" %)
375 -|(% style="width:69px" %)1byte|(% style="width:129px" %)4bytes|(% style="width:134px" %)4bytes|(% style="width:119px" %)1byte
376 -|(% style="width:69px" %)31|(% style="width:129px" %)Timestamp start|(% style="width:134px" %)Timestamp end|(% style="width:119px" %)Uplink Interval
484 +(% border="1" style="background-color:#ffffcc; color:green; width:427px" %)
485 +|(% style="width:61px" %)1byte|(% style="width:126px" %)4bytes|(% style="width:120px" %)4bytes|(% style="width:115px" %)1byte
486 +|(% style="width:61px" %)31|(% style="width:126px" %)Timestamp start|(% style="width:120px" %)Timestamp end|(% style="width:115px" %)Uplink Interval
377 377  
488 +(((
378 378  Timestamp start and Timestamp end use Unix TimeStamp format as mentioned above. Devices will reply with all data log during this time period, use the uplink interval.
490 +)))
379 379  
492 +(((
493 +For example, downlink command **31 5FC5F350 5FC6 0160 05**
494 +)))
380 380  
381 -For example, downlink command 31 5FC5F350 5FC6 0160 05
382 -
496 +(((
383 383  Is to check 2020/12/1 07:40:00 to 2020/12/1 08:40:00’s data
498 +)))
384 384  
500 +(((
385 385  Uplink Internal =5s，means LHT65N will send one packet every 5s. range 5~~255s.
502 +)))
386 386  
387 387  
388 -=== Datalog Uplink payload ===
505 +=== 2.6.4 Datalog Uplink payload ===
389 389  
390 390  The Datalog poll reply uplink will use below payload format.
391 391  
509 +(((
510 +**Retrieval data payload**
511 +)))
392 392  
393 -Retrieval data payload
513 +(% border="1" style="background-color:#ffffcc; color:green; width:586px" %)
514 +|(% style="width:94px" %)**Size(bytes)**|(% style="width:106px" %)**2**|(% style="width:126px" %)**2**|(% style="width:106px" %)**2**|(% style="width:89px" %)**1**|(% style="width:58px" %)**4**
515 +|(% style="width:94px" %)**Value**|(% style="width:106px" %)[[External sensor data>>path:http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H2.4.6Extvalue]]|(% style="width:126px" %)(((
516 +[[Built-In Temperature >>http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H2.4.3Built-inTemperature]]
517 +)))|(% style="width:106px" %)(((
518 +[[Built-in>>path:http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H2.4.4Built-inHumidity]][[ Humidity>>http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H2.4.4Built-inHumidity]]
519 +)))|(% style="width:89px" %)[[Poll message flag & Ext>>path:http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H2.6.4DatalogUplinkpayload]]|(% style="width:58px" %)(((
520 +[[Unix Time Stamp>>path:http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LHT65N%20LoRaWAN%20Temperature%20%26%20Humidity%20Sensor%20Manual/#H2.6.1UnixTimeStamp]]
394 394  
395 -|**Size(bytes)**|**2**|**2**|**2**|**1**|**4**
396 -|**Value**|[[External sensor data>>path:#Extension_sensor_value]]|(((
397 -[[Built-In>>path:#SHT20_Temperature]]
398 -
399 -[[Temperature>>path:#SHT20_Temperature]]
400 -)))|(((
401 -[[Built-in>>path:#SHT20_Humidity]]
402 -
403 -[[Humidity>>path:#SHT20_Humidity]]
404 -)))|[[Poll message flag & Ext>>path:#Poll_EXT]]|(((
405 -[[Unix Time Stamp>>path:#Unix_Time_Stamp]]
406 -
407 407  
408 408  )))
409 409  
410 -Poll message flag & Ext
525 +**Poll message flag & Ext**
411 411  
412 -
413 -|**Bits**|**7**|**6**|**5**|**4**|**[3:0]**
414 -|**Status & Ext**|Not Defined|Poll Message Flag|Sync time OK|Unix Time Request|(((
527 +(% border="1" style="background-color:#ffffcc; color:green; width:540px" %)
528 +|(% style="width:81px" %)**Bits**|(% style="width:100px" %)**7**|(% style="width:105px" %)**6**|(% style="width:84px" %)**5**|(% style="width:85px" %)**4**|(% style="width:79px" %)**[3:0]**
529 +|(% style="width:81px" %)**Status & Ext**|(% style="width:100px" %)Not Defined|(% style="width:105px" %)Poll Message Flag|(% style="width:84px" %)Sync time OK|(% style="width:85px" %)Unix Time Request|(% style="width:79px" %)(((
415 415  Ext:
416 416  
417 417  0b(1001)
418 418  )))
419 419  
535 +(((
420 420  Poll Message Flag: 1: This message is a poll message reply.
537 +)))
421 421  
422 -* Poll Message Flag is set to 1.
423 -* Each data entry is 11 bytes, to save airtime and battery, devices will send max bytes according to the current DR and Frequency bands.
539 +* (((
540 +Poll Message Flag is set to 1.
541 +)))
542 +* (((
543 +Each data entry is 11 bytes, to save airtime and battery, devices will send max bytes according to the current DR and Frequency bands.
544 +)))
424 424  
546 +(((
425 425  For example, in US915 band, the max payload for different DR is:
548 +)))
426 426  
427 -a)      DR0: max is 11 bytes so one entry of data
550 +(((
551 +a) DR0: max is 11 bytes so one entry of data
552 +)))
428 428  
429 -b)      DR1: max is 53 bytes so devices will upload 4 entries of data (total 44 bytes)
554 +(((
555 +b) DR1: max is 53 bytes so devices will upload 4 entries of data (total 44 bytes)
556 +)))
430 430  
431 -c)      DR2: total payload includes 11 entries of data
558 +(((
559 +c) DR2: total payload includes 11 entries of data
560 +)))
432 432  
433 -d)      DR3: total payload includes 22 entries of data.
562 +(((
563 +d) DR3: total payload includes 22 entries of data.
564 +)))
434 434  
566 +(((
435 435  If devise doesn’t have any data in the polling time. Device will uplink 11 bytes of 0   
568 +)))
436 436  
437 437  
438 438  **Example:**
... ... @@ -439,6 +439,19 @@
439 439  
440 440  If LHT65N has below data inside Flash:
441 441  
575 +[[image:image-20220523144455-1.png||height="335" width="735"]]
576 +
577 +(% border="1" style="background-color:#ffffcc; color:green; width:709px" %)
578 +|(% style="width:89px" %)Flash Addr|(% style="width:136px" %)Unix Time|(% style="width:39px" %)Ext|(% style="width:97px" %)BAT voltage|(% style="width:344px" %)Value
579 +|(% style="width:89px" %)80196E0|(% style="width:136px" %)21/1/19 04:27:03|(% style="width:39px" %)1|(% style="width:97px" %)3145|(% style="width:344px" %)sht_temp=22.00 sht_hum=32.6 ds_temp=327.67
580 +|(% style="width:89px" %)80196F0|(% style="width:136px" %)21/1/19 04:28:57|(% style="width:39px" %)1|(% style="width:97px" %)3145|(% style="width:344px" %)sht_temp=21.90 sht_hum=33.1 ds_temp=327.67
581 +|(% style="width:89px" %)8019700|(% style="width:136px" %)21/1/19 04:30:30|(% style="width:39px" %)1|(% style="width:97px" %)3145|(% style="width:344px" %)sht_temp=21.81 sht_hum=33.4 ds_temp=327.67
582 +|(% style="width:89px" %)8019710|(% style="width:136px" %)21/1/19 04:40:30|(% style="width:39px" %)1|(% style="width:97px" %)3145|(% style="width:344px" %)sht_temp=21.65 sht_hum=33.7 ds_temp=327.67
583 +|(% style="width:89px" %)8019720|(% style="width:136px" %)21/1/19 04:50:30|(% style="width:39px" %)1|(% style="width:97px" %)3147|(% style="width:344px" %)sht_temp=21.55 sht_hum=34.1 ds_temp=327.67
584 +|(% style="width:89px" %)8019730|(% style="width:136px" %)21/1/19 05:00:30|(% style="width:39px" %)1|(% style="width:97px" %)3149|(% style="width:344px" %)sht_temp=21.50 sht_hum=34.1 ds_temp=327.67
585 +|(% style="width:89px" %)8019740|(% style="width:136px" %)21/1/19 05:10:30|(% style="width:39px" %)1|(% style="width:97px" %)3149|(% style="width:344px" %)sht_temp=21.43 sht_hum=34.6 ds_temp=327.67
586 +|(% style="width:89px" %)8019750|(% style="width:136px" %)21/1/19 05:20:30|(% style="width:39px" %)1|(% style="width:97px" %)3151|(% style="width:344px" %)sht_temp=21.35 sht_hum=34.9 ds_temp=327.67
587 +
442 442  Flash Addr   |Unix Time | Ext | BAT voltage|  Value                  
443 443  
444 444  80196E0 21/1/19 04:27:03 1 3145 sht_temp=22.00 sht_hum=32.6 ds_temp=327.67
... ... @@ -458,10 +458,8 @@
458 458  8019750 21/1/19 05:20:30 1 3151 sht_temp=21.35 sht_hum=34.9 ds_temp=327.67
459 459  
460 460  
461 -If user sends below downlink command:
607 +If user sends below downlink command: (% style="background-color:yellow" %)3160065F9760066DA705
462 462  
463 -3160065F9760066DA705
464 -
465 465   Where : Start time: 60065F97 = time 21/1/19 04:27:03
466 466  
467 467   Stop time 60066DA7= time 21/1/19 05:27:03
... ... @@ -469,7 +469,7 @@
469 469  
470 470  LHT65N will uplink this payload.
471 471  
472 -[[image:image-20220523001219-13.png]]
616 +[[image:image-20220523001219-13.png||height="421" width="727"]]
473 473  
474 474  7FFF089801464160065F977FFF088E014B41600660097FFF0885014E41600660667FFF0875015141600662BE7FFF086B015541600665167FFF08660155416006676E7FFF085F015A41600669C67FFF0857015D4160066C1E
475 475  
... ... @@ -488,7 +488,7 @@
488 488  Unix time is 0x60065F97=1611030423s=21/1/19 04:27:03
489 489  
490 490  
491 -== Alarm Mode ==
635 +== 2.7 Alarm Mode ==
492 492  
493 493  Alarm mode feature is added since firmware v1.5. When device is in Alarm mode, it will check the built-in sensor temperature in a short interval. If the temperature exceeds the pre-configure range, it will send an uplink immediately.
494 494  
... ... @@ -504,7 +504,7 @@
504 504  
505 505  
506 506  
507 -== LED Indicator ==
651 +== 2.8 LED Indicator ==
508 508  
509 509  The LHT65N has a triple color LED which for easy shows different stage.
510 510  
... ... @@ -519,17 +519,14 @@
519 519  
520 520  ----
521 521  
522 -== Installation ==
666 +== 2.9 Installation ==
523 523  
524 524  [[image:image-20220516231650-1.png||height="436" width="428"]]
525 525  
670 += 3. Sensors & Accessories =
526 526  
672 +== 3.1 E3 Temperature Probe ==
527 527  
528 -
529 -= Sensors & Accessories =
530 -
531 -== E3 Temperature Probe ==
532 -
533 533  [[image:image-20220515080154-4.png||height="182" width="161"]] [[image:image-20220515080330-5.png||height="201" width="195"]]
534 534  
535 535  
... ... @@ -542,7 +542,7 @@
542 542  * -55°C to 125°C
543 543  * Working voltage 2.35v ~~ 5v
544 544  
545 -= Configure LHT65N via AT Command or LoRaWAN Downlink =
686 += 4. Configure LHT65N via AT Command or LoRaWAN Downlink =
546 546  
547 547  Use can configure LHT65N via AT Command or LoRaWAN Downlink.
548 548  
... ... @@ -551,7 +551,6 @@
551 551  
552 552  [[http:~~/~~/wiki.dragino.com/index.php?title=Main_Page#Use_Note_for_Server>>url:http://wiki.dragino.com/index.php?title=Main_Page#Use_Note_for_Server]]
553 553  
554 -
555 555  There are two kinds of commands to configure LHT65N, they are:
556 556  
557 557  * **General Commands**.
... ... @@ -565,19 +565,17 @@
565 565  
566 566  [[http:~~/~~/wiki.dragino.com/index.php?title=End_Device_Downlink_Command>>url:http://wiki.dragino.com/index.php?title=End_Device_Downlink_Command]]
567 567  
568 -
569 -
570 570  * **Commands special design for LHT65N**
571 571  
572 572  These commands are only valid for LHT65N, as below:
573 573  
712 +== 4.1 Set Transmit Interval Time ==
574 574  
575 -== Set Transmit Interval Time ==
576 -
577 577  Feature: Change LoRaWAN End Node Transmit Interval.
578 578  
579 579  **AT Command: AT+TDC**
580 580  
718 +(% border="1" %)
581 581  |**Command Example**|**Function**|**Response**
582 582  |AT+TDC?|Show current transmit Interval|(((
583 583  30000
... ... @@ -601,12 +601,13 @@
601 601  * Example 1: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
602 602  * Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
603 603  
604 -== Set External Sensor Mode ==
742 +== 4.2 Set External Sensor Mode ==
605 605  
606 606  Feature: Change External Sensor Mode.
607 607  
608 608  **AT Command: AT+EXT**
609 609  
748 +(% border="1" %)
610 610  |**Command Example**|**Function**|**Response**
611 611  |AT+EXT?|Get current external sensor mode|(((
612 612  1
... ... @@ -628,7 +628,7 @@
628 628  * 0xA209: Same as AT+EXT=9
629 629  * 0xA20702003c,Same as AT+SETCNT=60
630 630  
631 -== Enable/Disable uplink Temperature probe ID ==
770 +== 4.3 Enable/Disable uplink Temperature probe ID ==
632 632  
633 633  Feature: If PID is enabled, device will send the temperature probe ID on:
634 634  
... ... @@ -640,6 +640,7 @@
640 640  
641 641  **AT Command:**
642 642  
782 +(% border="1" %)
643 643  |**Command Example**|**Function**|**Response**
644 644  |AT+PID=1|Enable PID uplink|OK
645 645  
... ... @@ -648,12 +648,13 @@
648 648  * 0xA800     à AT+PID=0
649 649  * 0xA801     à AT+PID=1
650 650  
651 -== Set Password ==
791 +== 4.4 Set Password ==
652 652  
653 653  Feature: Set device password, max 9 digits
654 654  
655 655  **AT Command: AT+PWORD**
656 656  
797 +(% border="1" %)
657 657  |**Command Example**|**Function**|**Response**
658 658  |AT+PWORD=?|Show password|(((
659 659  123456
... ... @@ -667,13 +667,13 @@
667 667  
668 668  No downlink command for this feature.
669 669  
811 +== 4.5 Quit AT Command ==
670 670  
671 -== Quit AT Command ==
672 -
673 673  Feature: Quit AT Command mode, so user needs to input password again before use AT Commands.
674 674  
675 675  **AT Command: AT+DISAT**
676 676  
817 +(% border="1" %)
677 677  |**Command Example**|**Function**|**Response**
678 678  |AT+DISAT|Quit AT Commands mode|OK
679 679  
... ... @@ -682,12 +682,13 @@
682 682  No downlink command for this feature.
683 683  
684 684  
685 -== Set to sleep mode ==
826 +== 4.6 Set to sleep mode ==
686 686  
687 687  Feature: Set device to sleep mode
688 688  
689 689  **AT Command: AT+SLEEP**
690 690  
832 +(% border="1" %)
691 691  | | |
692 692  |**Command Example**|**Function**|**Response**
693 693  |AT+SLEEP|Set to sleep mode|(((
... ... @@ -700,12 +700,13 @@
700 700  
701 701  * There is no downlink command to set to Sleep mode.
702 702  
703 -== Set system time ==
845 +== 4.7 Set system time ==
704 704  
705 705  Feature: Set system time, unix format. [[See here for format detail.>>path:#TimeStamp]]
706 706  
707 707  **AT Command:**
708 708  
851 +(% border="1" %)
709 709  |**Command Example**|**Function**
710 710  |AT+TIMESTAMP=1611104352|(((
711 711  OK
... ... @@ -717,12 +717,10 @@
717 717  
718 718  0x306007806000 ~/~/ Set timestamp to 0x(6007806000),Same as AT+TIMESTAMP=1611104352
719 719  
863 +== 4.8 Set Time Sync Mode ==
720 720  
721 -== Set Time Sync Mode ==
722 -
723 723  Feature: Enable/Disable Sync system time via LoRaWAN MAC Command (DeviceTimeReq), LoRaWAN server must support v1.0.3 protocol to reply this command.
724 724  
725 -
726 726  SYNCMOD is set to 1 by default. If user want to set a different time from LoRaWAN server, user need to set this to 0.
727 727  
728 728  
... ... @@ -737,13 +737,13 @@
737 737  
738 738  0x28 00 ~/~/ Same As AT+SYNCMOD=0
739 739  
881 +== 4.9 Set Time Sync Interval ==
740 740  
741 -== Set Time Sync Interval ==
742 -
743 743  Feature: Define System time sync interval. SYNCTDC default value: 10 days.
744 744  
745 745  **AT Command:**
746 746  
887 +(% border="1" %)
747 747  |**Command Example**|**Function**
748 748  |AT+SYNCTDC=0x0A|Set SYNCTDC to 10 (0x0A), so the sync time is 10 days.
749 749  
... ... @@ -751,13 +751,13 @@
751 751  
752 752  0x29 0A ~/~/ Same as AT+SYNCTDC=0x0A
753 753  
895 +== 4.10 Print data entries base on page. ==
754 754  
755 -== Print data entries base on page. ==
756 -
757 757  Feature: Print the sector data from start page to stop page (max is 416 pages).
758 758  
759 759  **AT Command: AT+PDTA**
760 760  
901 +(% border="1" %)
761 761  |**Command Example**|**Response**
762 762  |(((
763 763  AT+PDTA=1,3
... ... @@ -806,14 +806,13 @@
806 806  
807 807  No downlink commands for feature
808 808  
950 +== 4.11 Print last few data entries. ==
809 809  
810 -
811 -== Print last few data entries. ==
812 -
813 813  Feature: Print the last few data entries
814 814  
815 815  **AT Command: AT+PLDTA**
816 816  
956 +(% border="1" %)
817 817  |**Command Example**|**Response**
818 818  |(((
819 819  AT+PLDTA=5
... ... @@ -843,14 +843,13 @@
843 843  
844 844  No downlink commands for feature
845 845  
986 +== 4.12 Clear Flash Record ==
846 846  
847 -
848 -== Clear Flash Record ==
849 -
850 850  Feature: Clear flash storage for data log feature.
851 851  
852 852  **AT Command: AT+CLRDTA**
853 853  
992 +(% border="1" %)
854 854  |**Command Example**|**Function**|**Response**
855 855  |AT+CLRDTA|Clear date record|(((
856 856  Clear all stored sensor data…
... ... @@ -862,35 +862,31 @@
862 862  
863 863  * Example: 0xA301 ~/~/Same as AT+CLRDTA
864 864  
1004 += 5. Battery & How to replace =
865 865  
866 -= Battery & How to replace =
1006 +== 5.1 Battery Type ==
867 867  
868 -== Battery Type ==
869 -
870 870  LHT65N is equipped with a 2400mAH Li-MnO2 (CR17505) battery . The battery is an un-rechargeable battery with low discharge rate targeting for up to 8~~10 years use. This type of battery is commonly used in IoT devices for long-term running, such as water meters.
871 871  
872 872  The discharge curve is not linear so can’t simply use percentage to show the battery level. Below is the battery performance.
873 873  [[image:image-20220515075034-1.png||height="208" width="644"]]
874 874  
875 -
876 876  The minimum Working Voltage for the LHT65N is ~~ 2.5v. When battery is lower than 2.6v, it is time to change the battery.
877 877  
878 878  
879 -== Replace Battery ==
1016 +== 5.2 Replace Battery ==
880 880  
881 881  LHT65N has two screws on the back, Unscrew them, and changing the battery inside is ok. The battery is a general CR17450 battery. Any brand should be ok.
882 882  
883 883  [[image:image-20220515075440-2.png||height="338" width="272"]][[image:image-20220515075625-3.png||height="193" width="257"]]
884 884  
1022 +== 5.3 Battery Life Analyze ==
885 885  
886 -== Battery Life Analyze ==
887 -
888 888  Dragino battery-powered products are all run in Low Power mode. User can check the guideline from this link to calculate the estimated battery life:
889 889  https:~/~/www.dragino.com/downloads/downloads/LoRa_End_Node/Battery_Analyze/DRAGINO_Battery_Life_Guide.pdf
890 890  
1027 += 6. Order Info =
891 891  
892 -= Order Info =
893 -
894 894  Part Number: (% class="mark" %)**LHT65N-XX**
895 895  
896 896  **XX**: The default frequency band
... ... @@ -908,7 +908,7 @@
908 908  
909 909  * **E3**: External Temperature Probe
910 910  
911 -= Packing Info =
1046 += 7. Packing Info =
912 912  
913 913  **Package Includes**:
914 914  
... ... @@ -923,10 +923,10 @@
923 923  * Package Size / pcs : 14.5 x 8 x 5 cm
924 924  * Weight / pcs : 170g
925 925  
926 -= FCC Warning =
1061 += 8. FCC Warning =
927 927  
928 928  This device complies with part 15 of the FCC Rules.Operation is subject to the following two conditions:
929 929  
930 -(1) This device may not cause harmful interference, and
1065 +(1) This device may not cause harmful interference；
931 931  
932 -(2) this device must accept any interference received, including interference that may cause undesired operation
1067 +(2) this device must accept any interference received, including interference that may cause undesired operation.
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